SR EN ISO 1628-1:2025

Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 1: General principles (ISO 1628-1:2024)

This document specifies the general conditions for the determination of the reduced viscosity, intrinsic viscosity and K‑value of organic polymers in dilute solution. It specifies the standard parameters that are applied to viscosity measurement. This document is applicable to develop standards for measuring the viscosities in solution of individual types of polymer. It is also applicable to measure and report the viscosities of polymers in solution for which no separate standards exist.

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General information

Status : Valid
Approval date : 1/31/2025
Number of pages : 34
ICS : 83.080.01 Plastics in general
Technical Committee : 108 - Plastics, codification and analysis methods

Relations with other standards:

Replaces SR EN ISO 1628-1:2021